Turn Signal Lamps and/or Indicators Inoperative
Turn Signal Lamps and/or Indicators Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Displays and Gages Connector End Views or Vehicle Access Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify that the turn signal lamps and/or indicators are inoperative. Do the turn signal lamps and/or indicators operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Are only the turn signal indicators in the instrument panel cluster (IPC) inoperative? | Go to Step 4 | Go to Step 5 |
| 4 | Test the inoperative turn signal supply voltage circuit to the IPC for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 21 | Go to Step 12 |
| 5 | Is only one turn signal lamp inoperative? | Go to Step 6 | Go to Step 8 |
| 6 | Test the inoperative bulb or tail lamp printed circuit board for an open or poor terminal contact. Refer to Circuit Testing
. Did you find a condition? |
Go to Step 18 | Go to Step 7 |
| 7 | Test for an open, high resistance or short to ground in the turn signal lamp supply voltage circuit or an open or high resistance in the turn signal lamp ground circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 21 | Go to Step 15 |
| 8 | Inspect the IGN E fuse and the FLASHER fuse. Is either fuse open? |
Go to Step 11 | Go to Step 9 |
| 9 | Test for an open or high resistance in the following circuits. Refer to Circuit Testing
and Wiring Repairs
:
Did you find and correct the condition? |
Go to Step 21 | Go to Step 10 |
| 10 |
|
Go to Step 11 | Go to Step 13 |
| 11 | Test the following circuits for an open, high resistance or short to ground. Refer to Circuit Testing
and Wiring Repairs
:
Did you find and correct the condition? |
Go to Step 21 | Go to Step 14 |
| 12 | Inspect for poor connections at the IPC. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 21 | Go to Step 17 |
| 13 | Inspect for poor connections at the multifunction turn signal switch. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 21 | Go to Step 19 |
| 14 | Inspect for poor connections at the turn/hazard flasher. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 21 | Go to Step 20 |
| 15 | Inspect for poor connections at the door module for the inoperative outside rear view mirror turn indicator. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 21 | Go to Step 16 |
| 16 |
IMPORTANT:
Perform the set up procedure for the door module. Replace the door module for the inoperative outside rear view mirror turn indicator. Refer to Door Lock and Side Window Switch Replacement - Driver
or Door Lock and Side Window Switch Replacement - Passenger
.Did you complete the repair? |
Go to Step 21 | - |
| 17 | Replace the IPC. Refer to Control Module References
for replacement, setup and programming. Did you complete the repair? |
Go to Step 21 | - |
| 18 | Replace the inoperative bulb or tail lamp printed circuit board. Refer to Tail Lamp Bulb Replacement or Tail Lamp Circuit Board Replacement . Did you complete the repair? |
Go to Step 21 | - |
| 19 | Replace the multifunction turn signal switch. Refer to Turn Signal Multifunction Switch Replacement
. Did you complete the repair? |
Go to Step 21 | - |
| 20 | Replace the hazard/turn flasher. Refer to Hazard and Turn Signal Flasher Replacement . Did you complete the repair? |
Go to Step 21 | - |
| 21 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |